Sotheby's : London, Wednesday 1 October 1997 : Fine Clocks, Watches, Wristwatches, Barometers and Mechanical Musical Instruments /

Geahča maid

• Sotheby's : London, Thursday 1 October 1998 : Important Clocks, Watches, Wristwatches, Barometers and Mechanical Musical Instruments /
  Almmustuhtton: (1998)
• Sotheby's : London, Wednesday 17 December 1997 : Good Clocks, Watches, Wristwatches and Barometers /
  Almmustuhtton: (1997)
• Sotheby's : London, Tuesday 23 March 1999 : Clocks, Watches, Wristwatches, Barometers and Mechanical Musical Instruments /
  Almmustuhtton: (1999)
• Sotheby's : London, 6 and 7 March 1997 : Good Clocks, Watches, Wristwatches, Barometers, Mechanical Music and Scientific Instruments /
  Almmustuhtton: (1997)
• Sotheby's : London, 3 and 4 October 1996 : Important Clocks, Watches, Wristwatches, Barometers, Mechanical Music and Scientific Instruments /
  Almmustuhtton: (1996)